210148249 has 2 divisors, whose sum is σ = 210148250. Its totient is φ = 210148248.

The previous prime is 210148241. The next prime is 210148261. The reversal of 210148249 is 942841012.

210148249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170772624 + 39375625 = 13068^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 210148249 - 2³ = 210148241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210148249.

It is not a weakly prime, because it can be changed into another prime (210148241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105074124 + 105074125.

It is an arithmetic number, because the mean of its divisors is an integer number (105074125).

Almost surely, 2^210148249 is an apocalyptic number.

It is an amenable number.

210148249 is a deficient number, since it is larger than the sum of its proper divisors (1).

210148249 is an equidigital number, since it uses as much as digits as its factorization.

210148249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 210148249 is about 14496.4909202193. The cubic root of 210148249 is about 594.5320322939.

The spelling of 210148249 in words is "two hundred ten million, one hundred forty-eight thousand, two hundred forty-nine".